SOLUTION: The sum of a number and three times another number is 18. Their product is a maximum. Determine the numbers.

Algebra.Com
Question 118876:
The sum of a number and three times another number is 18. Their product is a maximum. Determine the numbers.

Answer by checkley71(8403)   (Show Source): You can put this solution on YOUR website!
X+3Y=18
XY IS MAX.
IF X=9 & Y=3 THEN:
9+3*3=18
9*3=27 THIS IS THE MAX PRODUCT OF THESE 2 NUMBERS.

RELATED QUESTIONS

The sum of a number and three times another number is 18. Find the numbers if their... (answered by scott8148)
The sum of a number and three times another number is 30. Their product is a maximum.... (answered by ikleyn)
Please explain all the steps to my questions 1. The Sum of a number and three times... (answered by josgarithmetic,ikleyn)
The sum of a number and double another is 88. Find the numbers, so that their product is... (answered by edjones)
Please explain all the steps to all my questions: 1. The Sum of a number and three times (answered by ikleyn)
The sum of an integer and three times another integer is 18. Determine the value of the... (answered by ankor@dixie-net.com)
One number is three times another number and their sum is 32. Find the... (answered by Alan3354)
One number is 4 times another. Their product is 4 times their sum. Find the... (answered by mananth,jsmallt9)
A number is three times another number, and the sum of their reciprocals is 2/9 find all... (answered by Alan3354)